Under Your Feet

11

RegolithDigging starts to get difficult in the deep, substratum layer. This horizon is full of minerals and large rock fragments. Bits of these become the material in the upper layers.

Bedrock Anyone tunnelling down into the soil would eventually hit this solid slab of rock with a bang. Bedrock has not been broken down by wind or rain, unlike surface rock.

Small creatures can leave their outlines in bedrock.

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Sodalite

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